Postage system of the Romans, 350. 549.

Postmasters at Merton College, 304.

Prayer, occasional forms of, 13.

Precedence, 327. 541.

Precious stones, emblematical meanings of, 37. 88. 284. 408.

* Prelate noticed by Gibbon, 56.

Prerogative office, its exclusive constitution, 215.

Pretenders, their births and deaths, 177. 230. 572.

Pricket, its meaning, 434.

Primers of the reign of Elizabeth, 170.